Home / 3,795.15-5,239.92-2,379.41

Finding the Fourth Proportional to 3,795.15, 5,239.92 and 2,379.41

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Solution

The fourth proportional to 3,795.15, 5,239.92 and 2,379.41 is: 3,285.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,795.15 : 5,239.92 = 2,379.41 : x
  2. Step 2: Convert to fraction form
    3,795.15/5,239.92 = 2,379.41/x
  3. Step 3: Cross multiply
    3,795.15x = 5,239.92 × 2,379.41
  4. Step 4: Simplify right side
    3,795.15x = 12,467,918.05
  5. Step 5: Solve for x
    x = 12,467,918.05/3,795.15
  6. Step 6: Final answer
    x = 3,285.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.